logback 源码--看配置文件logback.xml的加载位置

public abstract class AbstractLifeCycle implements LifeCycle
{
    private static final Logger LOG = Log.getLogger(AbstractLifeCycle.class);//触发log初始化动作
    public static final String STOPPED="STOPPED";
    public static final String FAILED="FAILED";
    public static final String STARTING="STARTING";
    public static final String STARTED="STARTED";
    public static final String STOPPING="STOPPING";

    public static final String RUNNING="RUNNING";

Thread [main] (Suspended)

ContextInitializer.getResource(String, ClassLoader, boolean) line: 139
ContextInitializer.findURLOfDefaultConfigurationFile(boolean) line: 133
ContextInitializer.autoConfig() line: 146
StaticLoggerBinder.init() line: 85
StaticLoggerBinder.() line: 55
LoggerFactory.bind() line: 128
LoggerFactory.performInitialization() line: 107
LoggerFactory.getILoggerFactory() line: 295
LoggerFactory.getLogger(String) line: 269
Slf4jLog.(String) line: 38
Slf4jLog.() line: 32
NativeConstructorAccessorImpl.newInstance0(Constructor, Object[]) line: not available [native method]
NativeConstructorAccessorImpl.newInstance(Object[]) line: 57
DelegatingConstructorAccessorImpl.newInstance(Object[]) line: 45
Constructor.newInstance(Object...) line: 526
Class.newInstance() line: 374
Log.initialized() line: 161
Log.getLogger(String) line: 435
Log.getLogger(Class) line: 425
AbstractLifeCycle.() line: 33
JettyServerBoot$JettyFactory.createServerInSource(int, String) line: 70
JettyServerBoot.start(int, String, String[]) line: 37
QuickStartServer.main(String[]) line: 17  

//logback-classic-1.0.13-sources.jar 

//获取配置文件()

public class ContextInitializer {
  final public static String GROOVY_AUTOCONFIG_FILE = "logback.groovy";
  final public static String AUTOCONFIG_FILE = "logback.xml";//自动查找classpath下的配置文件名字
  final public static String TEST_AUTOCONFIG_FILE = "logback-test.xml";
  final public static String CONFIG_FILE_PROPERTY = "logback.configurationFile";
  final public static String STATUS_LISTENER_CLASS = "logback.statusListenerClass";
  final public static String SYSOUT = "SYSOUT";

ch.qos.logback.classic.util.ContextInitializer.findURLOfDefaultConfigurationFile(boolean)

public URL findURLOfDefaultConfigurationFile(boolean updateStatus) {

    ClassLoader myClassLoader = Loader.getClassLoaderOfObject(this);
    URL url = findConfigFileURLFromSystemProperties(myClassLoader, updateStatus);
    if (url != null) {
      return url;
    }


    url = getResource(GROOVY_AUTOCONFIG_FILE, myClassLoader, updateStatus);
    if (url != null) {
      return url;
    }


    url = getResource(TEST_AUTOCONFIG_FILE, myClassLoader, updateStatus);
    if (url != null) {
      return url;
    }

//file:/F:/work/XXweb/target/classes/logback.xml
    return getResource( AUTOCONFIG_FILE, myClassLoader, updateStatus);
  }